oestrous

简明释义

英[ˈiːstrəs]美[ˈestrəs]

adj. 发情的；诱发发情的

英英释义

单词用法

同义词

反义词

例句

1.The progesterone contents of peripheral serum of 5 Guizhou Xiang gilts and 5 Shanghai mini-gilts were determined during their oestrous cycles and early pregnancy by a radioimmunoassay method.

测定了5头贵州香猪和5头上海小型猪发情周期和妊娠早期外周血清的孕酮含量。

2.The progesterone contents of peripheral serum of 5 Guizhou Xiang gilts and 5 Shanghai mini-gilts were determined during their oestrous cycles and early pregnancy by a radioimmunoassay method.

测定了5头贵州香猪和5头上海小型猪发情周期和妊娠早期外周血清的孕酮含量。

3.The female deer enters her oestrous 发情期 during the autumn months.

雌鹿在秋季进入她的oestrous 发情期。

4.During the oestrous 发情期, many animals display increased mating behaviors.

在oestrous 发情期期间，许多动物表现出增强的交配行为。

5.Veterinarians monitor the oestrous 发情周期 of pets for breeding purposes.

兽医监测宠物的oestrous 发情周期以便进行繁殖。

6.The oestrous 发情期 in cats can lead to loud vocalizations and behavioral changes.

猫的oestrous 发情期可能会导致大声叫喊和行为变化。

7.Understanding the oestrous 发情周期 is crucial for successful animal husbandry.

理解oestrous 发情周期对于成功的养殖至关重要。

作文

The term oestrous refers to a specific phase in the reproductive cycle of female mammals, characterized by the period of heat or estrus. This phase is crucial for reproduction, as it is when females become receptive to mating. Understanding the oestrous cycle is essential not only for biologists and veterinarians but also for anyone interested in animal behavior and breeding practices. The oestrous cycle varies among different species; for example, in dogs, the cycle occurs approximately twice a year, while in cats, it can happen multiple times during the breeding season. During the oestrous phase, significant hormonal changes occur that prepare the female's body for potential pregnancy. The increase in estrogen levels leads to physical and behavioral changes, making the female more attractive to males. These changes can include vocalizations, increased affection, and even a change in scent, which signals to males that she is ready to mate. In many species, this is the time when males will compete for access to the female, showcasing their strength and genetic fitness. The importance of understanding the oestrous cycle extends beyond mere reproduction; it plays a critical role in wildlife management and conservation efforts. For instance, knowing when certain species are in their oestrous phase allows conservationists to plan breeding programs effectively. This knowledge can help increase population numbers of endangered species by ensuring that they breed successfully in captivity before being released into the wild. In agricultural settings, farmers also need to be aware of the oestrous cycles of livestock. By understanding these cycles, farmers can optimize breeding schedules to enhance productivity and ensure the health of both the animals and their offspring. For example, synchronized breeding can lead to more uniform calving or lambing seasons, which can simplify management and improve economic outcomes. Moreover, the study of the oestrous cycle has implications for medical research. Understanding hormonal fluctuations can provide insights into various health issues that affect both animals and humans. Research into the oestrous cycle can lead to better treatments for reproductive disorders and improve overall health care for both species. In conclusion, the concept of oestrous is far-reaching and significant in various fields, from biology and veterinary medicine to agriculture and conservation. By studying the oestrous cycles of different species, we can gain valuable insights into their behaviors, reproductive strategies, and health. This knowledge not only aids in the preservation of species but also enhances our understanding of life itself. As we continue to explore the complexities of the oestrous cycle, we uncover the intricate connections between animals, their environments, and the broader ecosystem.

词汇oestrous指的是雌性哺乳动物生殖周期中的特定阶段，特点是发情期或发情状态。这个阶段对繁殖至关重要，因为这是雌性动物变得愿意交配的时候。理解oestrous周期不仅对生物学家和兽医至关重要，也对任何对动物行为和繁殖实践感兴趣的人来说都是如此。oestrous周期在不同物种之间有所不同。例如，在狗中，这个周期大约每年发生两次，而在猫中，它可能在繁殖季节多次发生。 在oestrous阶段，体内会发生显著的激素变化，为潜在的怀孕做好准备。雌性激素水平的增加导致身体和行为的变化，使雌性对雄性更具吸引力。这些变化可能包括叫声的增加、亲昵行为的增强，甚至气味的变化，向雄性发出她已经准备好交配的信号。在许多物种中，这正是雄性竞争获得雌性交配机会的时期，展示他们的力量和基因适应性。 理解oestrous周期的重要性超越了单纯的繁殖；它在野生动物管理和保护工作中也发挥着关键作用。例如，知道某些物种何时处于oestrous阶段，可以让保护主义者有效地规划繁殖项目。这一知识可以帮助增加濒危物种的种群数量，确保它们在被释放到野外之前能够成功繁殖。 在农业环境中，农民也需要了解牲畜的oestrous周期。通过理解这些周期，农民可以优化繁殖时间表，以提高生产力，并确保动物及其后代的健康。例如，同步繁殖可以导致更统一的分娩或产羔季节，从而简化管理并改善经济结果。 此外，研究oestrous周期对医学研究也有影响。理解激素波动可以提供关于影响动物和人类的各种健康问题的见解。对oestrous周期的研究可以导致更好的生殖障碍治疗方法，并改善动物和人类的整体健康护理。 总之，oestrous的概念在生物学、兽医学、农业和保护等多个领域具有广泛的意义。通过研究不同物种的oestrous周期，我们可以获得有关它们行为、繁殖策略和健康的宝贵见解。这一知识不仅有助于物种的保护，也增强了我们对生命本身的理解。当我们继续探索oestrous周期的复杂性时，我们揭示了动物、它们的环境和更广泛生态系统之间的微妙联系。